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Re: [tree-ssa] Removal of gotos from cfg based ir
- From: Richard Henderson <rth at redhat dot com>
- To: law at redhat dot com
- Cc: Andrew MacLeod <amacleod at redhat dot com>, Jason Merrill <jason at redhat dot com>, Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>, gcc-patches <gcc-patches at gcc dot gnu dot org>, jh at suse dot cz
- Date: Fri, 14 Nov 2003 17:11:44 -0800
- Subject: Re: [tree-ssa] Removal of gotos from cfg based ir
- References: <20031114204445.GC28319@redhat.com> <200311150009.hAF09vpk000830@speedy.slc.redhat.com>
On Fri, Nov 14, 2003 at 05:09:57PM -0700, email@example.com wrote:
> OK. Thanks for clarifying. I need to re-think my position on this
> whole discussion. Something still doesn't feel right, but I'm more and
> more inclined to give it a try.
I think I'm mostly in favour. I am aware of Jan's work in
rtl-land with cfglayout mode, and it really does seem to
simplify some things there.
I do like the idea of preserving the CFG between trees and
rtl, if for no other reason than it seems wasteful to throw
it away and start over, especially when it appears to be so
trivial to preserve it.
And, given that, it doesn't seem wrong to go one step
farther and claim that's part of the tree->rtl interface.